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Rectangular 2.5 inch SATA SSD with black metal casing and label showing Bestoss S205 512GB

Bestoss

Bestoss S205 512GB 2.5" SATA internal SSD

SKU CH-M1Y0-RV4TG

A 2.5-inch SATA internal SSD with 512 GB capacity, 3D NAND flash and up to 550 MB/s read and 450 MB/s write speeds for faster boot and load times

  • Total capacity512 GB
  • Sequential read speedUp to 550 MB/s
  • Sequential write speedUp to 450 MB/s
  • Interface typeSATA III
  • Form factor2.5 in (6.35 cm)
  • NAND flash type3D NAND

Capacity 512GB

  • Sequential read up to 550 MBps speeds up system boot
  • Sequential write up to 450 MBps accelerates file transfers
  • 3D NAND memory stores 512 GB in a 2.5 inch form factor
  • HMB cache design delivers responsive performance without DRAM
  • SATA III interface fits laptops, desktops and consoles

512 GB SATA SSD for everyday computing

The Bestoss S205 is a 512 GB internal solid-state drive in a 2.5 inch form factor. It uses 3D NAND flash and the SATA interface to replace mechanical hard drives in laptops and desktops. The drive operates without a DRAM cache, relying on host memory buffer technology instead.

SATA III interface limits sequential throughput

The SATA III connection caps maximum sequential read at 550 MBps and write at 450 MBps. These speeds are well above traditional hard drives but below modern PCIe alternatives. The interface also determines physical compatibility with 2.5 inch drive bays and standard SATA data and power cables.

512 GB capacity suits OS, apps and light media

At 512 GB the drive holds an operating system, office suite and a modest game or media library with room to spare. Heavy video editing, large game collections or extensive virtual machines will exceed the available space. The manufacturer cites an endurance rating of 100 GB written daily for eight years.

How it compares

Measured against everything we stock in Internal NVMe & SATA SSDs, at today’s prices. Recalculated every night.

Price $52.99
Cheaper than about 90% of the 1,994 comparable items (median $180.49).
Total capacity 512 GB
Lower than about 60% of the 1,368 comparable items (median 1 TB).
Sequential read speed Up to 550 MB/s
Lower than about 70% of the 1,180 comparable items (median 2,400 MB/s).
Price per TB $103.50 per TB
Cheaper than about 83% of the 1,362 comparable items (median $165.50 per TB).

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Specifications

Product
Brand nameBestoss
Product lineS Series
Model nameS205
Total capacity512 GB
Product typeInternal Solid State Drive (SSD)
Intended useConsumer
Performance
Sequential read speedUp to 550 MB/s
Sequential write speedUp to 450 MB/s
Storage
NAND flash type3D NAND
Cache memoryNo DRAM (HMB)
Ports & slots
Interface typeSATA III
Size & build
Form factor2.5 in (6.35 cm)

Other versions of this model

4 more in the same range

Questions about this item

Which S205 capacity should I choose for a laptop upgrade?

The S205 line spans 120GB to 4TB; this 512GB model suits a boot drive plus everyday apps and media.

What does the 550 MBps read figure mean once the drive is installed?

It is the maximum sequential read speed the S205 can deliver over SATA III, so large-file loads and boots approach that rate.

How does the SATA III interface limit real-world performance?

SATA III caps theoretical throughput at 6 Gbps, so the S205's 550 MBps read and 450 MBps write run at the bus ceiling.

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